RM3660EC _57 Power Source / Network _080743 NETWORKING _0600591 CXPI COMMUNICATION SYSTEM Y

NETWORKING  CXPI COMMUNICATION SYSTEM  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:
·

Use these procedures to troubleshoot the CXPI communication system.

·

*: Use the GTS.



PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP
Result:
Proceed to
NEXT



NEXT

2.INSPECT AUXILIARY BATTERY VOLTAGE
2.INSPECT AUXILIARY BATTERY VOLTAGE
a.

Measure the auxiliary battery voltage with the ignition switch off.

Standard voltage:

11 to 14 V


If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.


Result:
Proceed to
NEXT



NEXT

3.CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
4.CHECK POWER INTEGRATION SYSTEM*
a.

Use the GTS to check if the power integration system is functioning normally.

Body Electrical > Power Distribution Box > Trouble Codes
50001 475

Result:
Result Proceed to
Power integration system DTCs are not output A
Power integration system DTCs are output B



A

5.CHECK FOR DTC*

B

5.CHECK FOR DTC*
a.

Check for DTCs and make a note of any codes that are output.

Body Electrical > Main Body > Trouble Codes
50001 449

b.

Clear the DTCs.

Body Electrical > Main Body > Clear DTCs
50002 449

c.

Recheck for DTCs.

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
No DTCs output A
DTCs output B



A

6.OVERALL ANALYSIS AND TROUBLESHOOTING*

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

7.ADJUST, REPAIR OR REPLACE
Result:
Proceed to
NEXT



NEXT

END